Leaky blood-brain bar­ri­er linked to Alzheimer’s dis­ease (Sci­ence Daily): “Researchers using con­trast-enhanced MRI have iden­ti­fied leak­ages in the blood-brain bar­ri­er (BBB) of peo­ple with ear­ly Alzheimer’s dis­ease (AD), accord­ing to a new study pub­lished online in the jour­nal Radi­ol­o­gy. The results sug­gest that increased BBB per­me­abil­i­ty may rep­re­sent a key mech­a­nism in the ear­ly stages of…